import random
import string
import sys

print(sys.version)

random.seed(1)

series_upper = string.ascii_uppercase
series_lower = series_upper.lower()
series_digit = string.digits
str_a = random.choices(series_upper, k=10)
print('Random upper letters:', ''.join(str_a))

orda = ord('A')
str_b = ''
for i in range(0, 10):
    r = random.randrange(26)
    str_b += chr(orda + r)
    print(r, orda + r, str_b)
print('Random upper letters:', str_b)
